Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 19:27

General

  • Target

    202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe

  • Size

    32KB

  • MD5

    7c5f44f940a52cbe59eef9daefaf32af

  • SHA1

    c668856964cdfcb2198f591a95ddd91be0d54f05

  • SHA256

    f075b1b582db6c3f78e5a4dea73e7c76f5b3f320c8a6e92a316308dbe2858a8b

  • SHA512

    88c7a9139434b24a7dfa1bc6d88c2e11e107aa9a3d2eed66b0e3d13d509beaa1f6e028e0c11d3e420d031bd9e9150df8feb16706fbcd26b3c068b4234b916873

  • SSDEEP

    384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJn:bG74zYcgT/Ekd0ryfjkJ

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\202405217c5f44f940a52cbe59eef9daefaf32afcryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:3208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\hasfj.exe

    Filesize

    33KB

    MD5

    a39b1c154b7818d646dc3f377dbd408b

    SHA1

    ce5a2eeee7919be47c9eb769d27f3d8fd434ce72

    SHA256

    aca07d8596b3a657d17ff4e90c34d5aeca9f296f35bcea6fd2aab545a4c36683

    SHA512

    35ce61880cd5d8ab2968547091427aab77202fc4b73fd9e7d5338cc7e4a4e639be761487e86c172dd5f152ec33a78dab60fd1329cb23cc0d51ce3b7fd4538ce4

  • memory/776-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/776-1-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/776-3-0x0000000002400000-0x0000000002406000-memory.dmp

    Filesize

    24KB

  • memory/776-9-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/776-17-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/3208-19-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/3208-25-0x0000000002160000-0x0000000002166000-memory.dmp

    Filesize

    24KB

  • memory/3208-26-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB